Shimano Dura-Ace FC-R9200 Left Crank Arm - 170mm Black CheckoutTitle=DT Swiss Ratchet LN Freehub Body Upgrade Kit - Shimano Micro Spline Includes a Composite Matrix frame

Includes a Composite Matrix frame mount

Ring Position/Type Chain Retaining Single Ring Tooth Count 30 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Blue Direct Mount Type Direct Mount CINCH

Accommodates bikes equipped with disc brakes

Proven on the toughest tracks of the Enduro World Series depended on for daily trail rides and trusted while bikepacking in remote regions of the world KOM Tough rims provide a burly rim for every usage and style of riding

5mm Chainline

Shimano Dura-Ace FC-R9200 Left Crank Arm - 170mm Black CheckoutTitle=DT Swiss Ratchet LN Freehub Body Upgrade Kit - Shimano Micro Spline Includes a Composite Matrix frameShimano Dura Ace FC R9200 Left Crank Arm 170mm Black. Replacement left crank arms for various Shimano Dura Ace cranksets. TECH SPECS Color Black Length 170 Spindle Interface Type Hollowtech II